async Task Login()
{
IsBusy = true;
APIService.Username = UserName;
APIService.Password = Password;
if (UserName.Length.Equals(0) || Password.Length.Equals(0))
{
await Application.Current.MainPage.DisplayAlert("Greška", "Popunite sva polja", "OK");
return;
}
try
{
await _service.Get <List <dynamic> >(null);
KlijentSearchRequest klijentSearch = new KlijentSearchRequest();
klijentSearch.Username = APIService.Username;
klijentSearch.Status = true;
var korisnici = await _service.Get <List <Model.Models.Klijent> >(klijentSearch);
if (korisnici.Count > 0)
{
var k = korisnici.FirstOrDefault();
GenerateHashSearch search = new GenerateHashSearch();
search.LozinkaSalt = k.LozinkaSalt;
search.LozinkaHash = APIService.Password;
var pwHas = await _serviceGenerateHashHelper.GenerateHash2 <Model.Models.GenerateHashGet>(search);
//string pwHash = GenerateHash(k.LozinkaSalt, APIService.Password);
if (k.Username == klijentSearch.Username && k.LozinkaHash == pwHas.Hash)
{
_KlijentId = k.KlijentId;
Application.Current.MainPage = new MainPage(_KlijentId);
}
else
{
throw new Exception("Unos nije ispravan");
}
}
else
{
throw new Exception("User ne postoji");
}
}
catch (Exception ex)
{
string msg = "";
if (ex.InnerException != null)
{
msg = ex.InnerException.ToString() + " - ";
}
await Application.Current.MainPage.DisplayAlert("Greška", msg + ex.Message, "OK");
}
}
public GenerateHashGet GenerateHash2(GenerateHashSearch request)
{
byte[] src = Convert.FromBase64String(request.LozinkaSalt);
byte[] bytes = Encoding.Unicode.GetBytes(request.LozinkaHash);
byte[] dst = new byte[src.Length + bytes.Length];
System.Buffer.BlockCopy(src, 0, dst, 0, src.Length);
System.Buffer.BlockCopy(bytes, 0, dst, src.Length, bytes.Length);
HashAlgorithm algorithm = HashAlgorithm.Create("SHA1");
byte[] inArray = algorithm.ComputeHash(dst);
var s = Convert.ToBase64String(inArray);
GenerateHashGet result = new GenerateHashGet();
result.Hash = s;
return(result);
}
public GenerateHashGet GenerateHash2([FromQuery] GenerateHashSearch search)
{
return(_service.GenerateHash2(search));
}
